Danny Brown's hip-hop experiments take him in unpredictable, exciting directions. The dark, industrial "Scrap or Die" is about stripping homes for scrap metal in his native Detroit. On A$AP Rocky's claustrophobic, string-laced posse cut "1Train", Danny holds his own with otherworldly boasts, while on the 2014 jam "Attak" he spits wiry lyrics over Rustie's cacophonous alarm siren stomp.